Check the System and Application logs in Event Viewer for errors or warnings that might provide more clues on the cause of error Bad Sector.

Still can't Fix Error Bad Sector?

1. Download Error Fixer . Install it on your computer. Click Scan, and it will perform a scan for your computer. The junk files will be shown in the list.

2. After the scan is finished, you can see the errors and problems which need to be repaired.

3. The Repair part is done, the speed of your computer will be much higher than before and the errors have been removed. You can also use other functions in SmartPCFixer. Like dll downloading, windows updating and print spooler error repair.